sonntags
on Sundays
Expresses that something happens or takes place regularly every Sunday.
Sonntags frühstücken wir immer ausgiebig mit der ganzen Familie.
On Sundays, we always have a long breakfast with the whole family.

on Sundays
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on Sundays
Expresses that something happens or takes place regularly every Sunday.
Sonntags frühstücken wir immer ausgiebig mit der ganzen Familie.
On Sundays, we always have a long breakfast with the whole family.

The adverb 'sonntags' (on Sundays) is formed from the noun 'Sonntag' (Sunday) and the ending '-s'. This pattern is used for all days of the week and also for times of day to express regular repetition.
Montags beginnt die Arbeitswoche.
On Mondays, the work week begins.
When 'sonntags' (on Sundays) stands at the beginning of the sentence, the conjugated verb follows directly in second position. The subject of the sentence then moves after the verb.
Sonntags schlafe ich meistens lange aus.
On Sundays, I usually sleep in.
Pay attention to lowercase spelling. Since 'sonntags' (on Sundays) is an adverb, it is written in lowercase, unlike the noun 'der Sonntag' (Sunday).
Wir besuchen sonntags oft unsere Großeltern.
We often visit our grandparents on Sundays.